text: /****************************************************************************
   * config/spark/src/up_composite.c
   * arch/arm/src/board/up_composit.c
   *
   *   Copyright (C) 2012-2013 Gregory Nutt. All rights reserved.
   *   Author: Gregory Nutt <gnutt@nuttx.org>
   *           David_s5 <david_s5@nscdg.com>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   * 3. Neither the name NuttX nor the names of its contributors may be
   *    used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
   * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
   * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   ****************************************************************************/
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  #include <stdbool.h>
  #include <stdio.h>
  #include <debug.h>
  #include <errno.h>
  
  #include <nuttx/kmalloc.h>
  
  #ifdef CONFIG_MTD_SST25
  #  include <nuttx/spi/spi.h>
  #  include <nuttx/mtd/mtd.h>
  #  include <sys/mount.h>
  #endif
  
  #ifdef CONFIG_SYSTEM_USBMONITOR
  #  include <apps/usbmonitor.h>
  #endif
  
  #ifdef CONFIG_USBDEV
  #  include "stm32_usbdev.h"
  #endif
  
  #include "stm32.h"
  #include "spark.h"
  
  /****************************************************************************
   * Pre-Processor Definitions
   ****************************************************************************/
  
  /* Configuration ************************************************************/
  
  /* Can't support the SST25 device if it SPI2 or SST25 support is not enabled */
  
  #define HAVE_SST25  1
  #if !defined(CONFIG_STM32_SPI2) || !defined(CONFIG_MTD_SST25)
  #  undef HAVE_SST25
  #endif
  
  /* Can't support SST25 features if mountpoints are disabled */
  
  #if defined(CONFIG_DISABLE_MOUNTPOINT)
  #  undef HAVE_SST25
  #endif
  
  #ifndef CONFIG_SPARK_FLASH_MOUNT_POINT
  #  define CONFIG_SPARK_FLASH_MOUNT_POINT "/mnt/p%d"
  #endif
  
  /* Use minor device number 0 is not is provided */
  
  #ifndef CONFIG_SPARK_FLASH_MINOR
  #  define CONFIG_SPARK_FLASH_MINOR 0
  #endif
  
  /* Can't support both FAT and NXFFS */
  
  #if defined(CONFIG_FS_FAT) && defined(CONFIG_FS_NXFFS)
  #  warning "Can't support both FAT and NXFFS -- using FAT"
  #endif
  
  #define HAVE_USBDEV     1
  #define HAVE_USBMONITOR 1
  
  /* Can't support USB device is USB device is not enabled */
  
  #ifndef CONFIG_USBDEV
  #  undef HAVE_USBDEV
  #  undef HAVE_USBMONITOR
  #endif
  
  /* Check if we should enable the USB monitor before starting NSH */
  
  #if !defined(CONFIG_USBDEV_TRACE) || !defined(CONFIG_SYSTEM_USBMONITOR)
  #  undef HAVE_USBMONITOR
  #endif
  
  /* Debug ********************************************************************/
  
  #ifdef CONFIG_CPP_HAVE_VARARGS
  #  ifdef CONFIG_DEBUG
  #    define message(...) lowsyslog(__VA_ARGS__)
  #  else
  #    define message(...) printf(__VA_ARGS__)
  #  endif
  #else
  #  ifdef CONFIG_DEBUG
  #    define message lowsyslog
  #  else
  #    define message printf
  #  endif
  #endif
  
  /****************************************************************************
   * Private Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: do_composite_archinitialize
   *
   * Description:
   *   Perform architecture specific initialization
   *
   ****************************************************************************/
  
  static int do_composite_archinitialize(void)
  {
  #ifdef HAVE_SST25
    FAR struct spi_dev_s *spi;
    FAR struct mtd_dev_s *mtd;
    int ret;
  
    /* Configure SPI-based devices */
  
    /* Get the SPI port */
  
    message("nsh_archinitialize: Initializing SPI port %d\n",
            CONFIG_SPARK_FLASH_SPI);
  
    spi = up_spiinitialize(CONFIG_SPARK_FLASH_SPI);
    if (!spi)
      {
        message("nsh_archinitialize: ERROR: Failed to initialize SPI port %d\n",
                CONFIG_SPARK_FLASH_SPI);
        return -ENODEV;
      }
  
    message("nsh_archinitialize: Successfully initialized SPI port %d\n",
            CONFIG_SPARK_FLASH_SPI);
  
    /* Now bind the SPI interface to the SST25 SPI FLASH driver */
  
    message("nsh_archinitialize: Bind SPI to the SPI flash driver\n");
    mtd = sst25_initialize(spi);
    if (!mtd)
      {
        message("nsh_archinitialize: Failed to bind SPI port %d to the SPI FLASH driver\n",
                CONFIG_SPARK_FLASH_SPI);
      }
    else
      {
        message("nsh_archinitialize: Successfully bound SPI port %d to the SPI FLASH driver\n",
                CONFIG_SPARK_FLASH_SPI);
      }
  
  #ifndef CONFIG_SPARK_FLASH_PART
  
    /* Use the FTL layer to wrap the MTD driver as a block driver */
  
    ret = ftl_initialize(CONFIG_SPARK_FLASH_MINOR, mtd);
    if (ret < 0)
      {
        fdbg("ERROR: Initialize the FTL layer\n");
        return ret;
      }
  
  #if CONFIG_SPARK_MOUNT_FLASH
    char  partname[16];
    char  mntpoint[16];
  
    /* mount -t vfat /dev/mtdblock0 /mnt/p0 */
  
    snprintf(partname, sizeof(partname), "/dev/mtdblock%d",
             CONFIG_SPARK_FLASH_MINOR);
    snprintf(mntpoint, sizeof(mntpoint)-1, CONFIG_SPARK_FLASH_MOUNT_POINT,
             CONFIG_SPARK_FLASH_MINOR);
  
    /* Mount the file system at /mnt/pn  */
  
    ret = mount(partname, mntpoint, "vfat", 0, NULL);
    if (ret < 0)
      {
        fdbg("ERROR: Failed to mount the FAT volume: %d\n", errno);
        return ret;
      }
  
  #endif
  #else
      {
        int partno;
        int partsize;
        int partoffset;
        const char *partstring = CONFIG_SPARK_FLASH_PART_LIST;
        const char *ptr;
        FAR struct mtd_dev_s *mtd_part;
        char  partname[16];
        char  mntpoint[16];
  
        /* Now create a partition on the FLASH device */
  
        partno = CONFIG_SPARK_FLASH_MINOR;
        ptr = partstring;
        partoffset = 0;
        while (*ptr != '\0')
          {
            /* Get the partition size */
  
            partsize = atoi(ptr);
            mtd_part = mtd_partition(mtd, partoffset, (partsize >> 2) * 16);
            partoffset += (partsize >> 2) * 16;
  
            /* Use the FTL layer to wrap the MTD driver as a block driver */
  
            ret = ftl_initialize(partno, mtd_part);
            if (ret < 0)
              {
                fdbg("ERROR: Initialize the FTL layer\n");
                return ret;
              }
  
            snprintf(partname,sizeof(partname), "/dev/mtdblock%d", partno);
            snprintf(mntpoint,sizeof(mntpoint)-1, CONFIG_SPARK_FLASH_MOUNT_POINT,
                     partno);
  
            /* Mount the file system at /mnt/pn  */
  
            ret = mount(partname, mntpoint, "vfat", 0, NULL);
            if (ret < 0)
              {
                fdbg("ERROR: Failed to mount the FAT volume: %d\n", errno);
                return ret;
              }
  
            /* Update the pointer to point to the next size in the list */
  
            while ((*ptr >= '0') && (*ptr <= '9'))
              {
                ptr++;
              }
  
            if (*ptr == ',')
              {
                ptr++;
              }
  
            /* Increment the part number */
  
            partno++;
          }
      }
  #endif /* CONFIG_SPARK_FLASH_PART */
  
  #endif /* HAVE_SST25 */
  
  #ifdef HAVE_USBMONITOR
    /* Start the USB Monitor */
  
    ret = usbmonitor_start(0, NULL);
    if (ret != OK)
      {
        message("nsh_archinitialize: Start USB monitor: %d\n", ret);
      }
  #endif
  
    return OK;
  }
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: nsh_archinitialize
   *
   * Description:
   *   Perform architecture specific initialization
   *
   ****************************************************************************/
  
  int composite_archinitialize(void)
  {
  #if defined(CONFIG_NSH_ARCHINIT) && defined(CONFIG_NSH_BUILTIN_APPS)
    return OK;
  #else
    return do_composite_archinitialize();
  #endif
  }
  